Robbie Ray had the lowest ERA in the AL in 2021, with an ERA of 2.84.

Interpreted as:

Who had the best era with a minimum of 1 IP per team game in the al in 2021?

	NAME	ERA	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Robbie Ray R. Ray	2.84	2021	TOR	32	13	7	.650	32	248	0	0	193.1	150	61	62	33	52	4	0	0	773	5	11.54	2.42	4.77	1.54	32.1	6.7	1.04	.268	2.89	63	3.68	87	6.98	11.8
2	Lance McCullers Jr. L. McCullers Jr.	3.16	2021	HOU	28	13	5	.722	28	185	0	0	162.1	122	57	59	13	76	10	0	0	684	7	10.26	4.21	2.43	0.72	27.0	11.1	1.22	.273	3.27	74	3.51	83	6.76	13
3	Gerrit Cole G. Cole	3.23	2021	NYY	30	16	8	.667	30	243	2	1	181.1	151	65	69	24	41	2	0	0	726	5	12.06	2.03	5.93	1.19	33.5	5.6	1.06	.305	3.42	76	2.91	67	7.49	28.1
4	Frankie Montas Jr. F. Montas Jr.	3.37	2021	OAK	32	13	9	.591	32	207	0	0	187.0	164	70	79	20	57	7	0	1	778	11	9.96	2.74	3.63	0.96	26.6	7.3	1.18	.296	3.80	82	3.37	81	7.89	16.5
5	José Berríos J. Berríos	3.52	2021	TOT	32	12	9	.571	32	204	1	0	192.0	159	75	83	22	45	15	0	0	781	3	9.56	2.11	4.53	1.03	26.1	5.8	1.06	.277	3.89	81	3.46	82	7.45	16.5
6	Lucas Giolito L. Giolito	3.53	2021	CWS	31	11	9	.550	31	201	1	0	178.2	145	70	74	27	52	2	0	1	720	12	10.13	2.62	3.87	1.36	27.9	7.2	1.10	.269	3.73	81	3.78	85	7.30	13
7	Chris Flexen C. Flexen	3.61	2021	SEA	31	14	6	.700	31	125	0	0	179.2	185	72	74	19	40	4	0	0	741	2	6.26	2.00	3.13	0.95	16.9	5.4	1.25	.300	3.71	87	3.88	94	9.27	5.3
8	Nathan Eovaldi N. Eovaldi	3.75	2021	BOS	32	11	9	.550	32	195	0	0	182.1	182	76	81	15	35	7	0	2	764	6	9.63	1.73	5.57	0.74	25.5	4.6	1.19	.326	4.00	82	2.78	64	8.98	30.9
9	Dylan Cease D. Cease	3.91	2021	CWS	32	13	7	.650	32	226	1	1	165.2	139	72	77	20	68	9	0	0	708	13	12.28	3.69	3.32	1.09	31.9	9.6	1.25	.309	4.18	90	3.40	76	7.55	18.9
10	Sean Manaea S. Manaea	3.91	2021	OAK	32	11	10	.524	32	194	2	2	179.1	179	78	79	25	41	9	0	0	754	5	9.74	2.06	4.73	1.25	25.7	5.4	1.23	.318	3.96	95	3.65	88	8.98	10
11	Zack Greinke Z. Greinke	4.16	2021	HOU	30	11	6	.647	29	120	1	0	171.0	164	79	82	30	36	2	0	0	697	3	6.32	1.89	3.33	1.58	17.2	5.2	1.17	.263	4.32	97	4.71	111	8.63	-9.1
12	Cole Irvin C. Irvin	4.24	2021	OAK	32	10	15	.400	32	125	0	0	178.1	195	84	94	23	42	9	0	0	768	3	6.31	2.12	2.98	1.16	16.3	5.5	1.33	.302	4.74	103	4.29	104	9.84	-3.2
13	Hyun Jin Ryu H. Jin Ryu	4.37	2021	TOR	31	14	10	.583	31	143	1	1	169.0	170	82	85	24	37	2	0	0	701	2	7.62	1.97	3.86	1.28	20.4	5.3	1.22	.295	4.53	97	4.01	95	9.05	4.2
14	Jordan Lyles J. Lyles	5.15	2021	TEX	32	10	13	.435	30	146	0	0	180.0	194	103	104	38	56	7	1	0	769	9	7.30	2.80	2.61	1.90	19.0	7.3	1.39	.299	5.20	117	5.33	121	9.70	-17.8
15	Dallas Keuchel D. Keuchel	5.28	2021	CWS	32	9	9	.500	30	95	0	0	162.0	189	95	105	25	59	7	0	1	720	5	5.28	3.28	1.61	1.39	13.2	8.2	1.53	.307	5.83	121	5.22	117	10.50	-13.1